• Am J Emerg Med · Aug 2017

    Review Case Reports

    A case of minimal pneumothorax with dynamic changes in ST segment similar to myocardial infarction.

    • Seok-Ran Yeom, Sung-Wook Park, Young-Dae Kim, Byung-Jae Ahn, Jin-Hee Ahn, and Il-Jae Wang.
    • Pusan National University Hospital, Department of Emergency Medicine, 179, Gudeok-ro, Seo-gu, Busan 602-739, South Korea.
    • Am J Emerg Med. 2017 Aug 1; 35 (8): 1210.e1-1210.e4.

    AbstractPneumothorax can cause a variety of electrocardiographic changes. ST segment elevation, which is mainly observed in myocardial infarction, can also be induced by pneumothorax. The mechanism is presumed to be a decrease in cardiac output, due to increased intra-thoracic pressure. We encountered a patient with ST segment elevation with minimal pneumothorax. Coronary angiography with ergonovine provocation test and echocardiogram had normal findings. The ST segment elevation was normalized by decreasing the amount of pneumothorax. We reviewed the literature and present possible mechanisms for this condition.Copyright © 2017 Elsevier Inc. All rights reserved.

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